下列实验操作能达到实验目的的是 选项 实验目的 实验操作 A 除去co2中的co 点燃 B 除去cao中的caco3 加水溶解并过滤 C 区分 Template




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tomski下列实验操作能达到实验目的的是 选项 实验目的 coloring